Description Preview
The vulnerability in question arises from insufficient error handling when the BFD header in a BFD packet is incomplete. An attacker could exploit this flaw by sending a specially crafted BFD message to or across an affected switch, potentially leading to a system reload. This vulnerability impacts various Catalyst 4500 and 4500-X Series Switches, as well as specific Supervisor Engine models.
Overview
This vulnerability in Cisco IOS and IOS XE allows an unauthenticated attacker to trigger a DoS condition by crashing the iosd process through a crafted BFD message. The flaw stems from inadequate error handling in the BFD offload implementation.
Remediation
To address this vulnerability, Cisco has released patches and updates to mitigate the issue. It is recommended to apply the necessary updates provided by Cisco to affected devices promptly. Additionally, network administrators should review and adjust their network configurations to prevent unauthorized access and limit the impact of potential attacks.
References
Industry ExposureMost to leastThis section illustrates the prevalence of a specific Common Vulnerabilities and Exposures (CVE) across various industries based on customer reports. The ranking displays industries from the most to least affected by this particular vulnerability, offering valuable insight into where this CVE has been most frequently observed. This information can help organizations within these sectors prioritize their security efforts, understand their relative risk exposure compared to their peers, and focus remediation strategies where they are most needed. By understanding the industry-specific impact, organizations can make more informed decisions regarding patching, resource allocation, and overall risk management related to this CVE.
This section illustrates the prevalence of a specific Common Vulnerabilities and Exposures (CVE) across various industries based on customer reports. The ranking displays industries from the most to least affected by this particular vulnerability, offering valuable insight into where this CVE has been most frequently observed. This information can help organizations within these sectors prioritize their security efforts, understand their relative risk exposure compared to their peers, and focus remediation strategies where they are most needed. By understanding the industry-specific impact, organizations can make more informed decisions regarding patching, resource allocation, and overall risk management related to this CVE.
- Health Care & Social AssistanceHealth Care & Social Assistance
- Management of Companies & EnterprisesManagement of Companies & Enterprises
- ManufacturingManufacturing
- Professional, Scientific, & Technical ServicesProfessional, Scientific, & Technical Services
- Real Estate Rental & LeasingReal Estate Rental & Leasing
- Transportation & WarehousingTransportation & Warehousing
- Wholesale TradeWholesale Trade
- Accommodation & Food ServicesAccommodation & Food Services
- Administrative, Support, Waste Management & Remediation ServicesAdministrative, Support, Waste Management & Remediation Services
- Agriculture, Forestry Fishing & HuntingAgriculture, Forestry Fishing & Hunting
- Arts, Entertainment & RecreationArts, Entertainment & Recreation
- ConstructionConstruction
- Educational ServicesEducational Services
- Finance and InsuranceFinance and Insurance
- InformationInformation
- MiningMining
- Other Services (except Public Administration)Other Services (except Public Administration)
- Public AdministrationPublic Administration
- Retail TradeRetail Trade
- UtilitiesUtilities
